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EP0336314
European procedure
Extract from the Register of European Patents
EP About this file: EP0336314
| EP0336314 - Promoter synergism in pentenenitrile hydrocyanation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.07.1994 Database last updated on 12.07.2024 | Most recent event Tooltip | 30.07.1994 | No opposition filed within time limit | published on 21.09.1994 [1994/38] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1989/41] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
McKinney, Ronald James 1243 Lakewood Drive Wilmington Delaware 19803 / US | 02 /
Osborne, Robert Baldwin 2209 Summer Oak Lane Orange Texas 77630 / US | [1989/41] | Representative(s) | Abitz, Walter, et al Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1989/41] | Abitz, Walter, Dr.-Ing., et al Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 89105705.1 | 31.03.1989 | [1989/41] | Priority number, date | US19880176241 | 31.03.1988 Original published format: US 176241 | [1989/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0336314 | Date: | 11.10.1989 | Language: | EN | [1989/41] | Type: | A3 Search report | No.: | EP0336314 | Date: | 17.04.1991 | Language: | EN | [1991/16] | Type: | B1 Patent specification | No.: | EP0336314 | Date: | 29.09.1993 | Language: | EN | [1993/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.02.1991 | Classification | IPC: | C07C253/08, C07C255/04 | [1993/39] | CPC: |
C07C253/10 (EP,KR);
C07C253/32 (KR);
C07C255/04 (KR)
| C-Set: |
C07C253/10, C07C255/04 (EP)
|
| Former IPC [1989/41] | C07C120/02, C07C121/26 | Designated contracting states | BE, DE, FR, GB, IT, NL [1989/41] | Title | German: | Zusammenwirkung von Promotoren bei der Pentennitril Hydrocyanierung | [1989/41] | English: | Promoter synergism in pentenenitrile hydrocyanation | [1989/41] | French: | Synergie de promoteurs pour la hydrocyanation de péntenenitrile | [1989/41] | Examination procedure | 27.12.1990 | Examination requested [1991/09] | 12.01.1993 | Despatch of communication of intention to grant (Approval: Yes) | 22.03.1993 | Communication of intention to grant the patent | 25.05.1993 | Fee for grant paid | 25.05.1993 | Fee for publishing/printing paid | Opposition(s) | 30.06.1994 | No opposition filed within time limit [1994/38] | Fees paid | Renewal fee | 20.12.1990 | Renewal fee patent year 03 | 27.01.1992 | Renewal fee patent year 04 | 27.01.1993 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [A]EP0248643 (DU PONT [US]); | [APD]US4774353 (HALL WILLIAM T [US], et al); | [AD]US3496218 (DRINKARD WILLIAM CHARLES JR); | [AD]US3496217 (DRINKARD WILLIAM CHARLES JR, et al) | [A] - CHEMICAL ABSTRACTS vol. 101, no. 11, 10 September 1984, page 568, abstract no. 90011k, Columbus, Ohio, US; W.C. SEIDEL et al.: "Homogeneous nickel-catalyzed olefin hydrocyanation" & Ann. N. Y. Acad. Sci. 1983, vol. 415, pages 201-221 | [A] - CHEMICAL ABSTRACTS vol. 100, no. 8, February 1984, page 514, abstract no. 50763e, Columbus, Ohio, US; C.A. TOLMAN et al.: "Catalytic hydrocyanation of olefins by nickel(0) phosphite complexes - effects of Lewis acids" & Organometallics 1984, vol. 3, no. 1, pages 33-38 |